The Guide,valve Disk, cataloged under National Stock Number 1660-00-758-8709, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-758-8709 |
| Primary Part Number | 664281-1 |
| Item Name | Guide,valve Disk |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| General Characteristics Item Description | ALUM ALLOY PER WW-T-785,COMP 2024-T91 OR COMP 6061-T6 OR QQ-A-267 OR 268,COMP 2024-T4;3.490 IN. LG BY BY 1.562 IN. DIA BY 1.170 IN. ID;TWO 0.124 IN. DIA HOLES THRU BOTH WALLS ON ONE END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 664281-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 664281-1 | 5/9 Secondary reference U.S. Government activity |
| 664281-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 1660-00-758-8709 is a Guide,valve Disk, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-758-8709 has 1 manufacturer part number on file: 664281-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 664281-1: General Characteristics Item Description: ALUM ALLOY PER WW-T-785,COMP 2024-T91 OR COMP 6061-T6 OR QQ-A-267 OR 268,COMP 2024-T4;3.490 IN. LG BY BY 1.562 IN. DIA BY 1.170 IN. ID;TWO 0.124 IN. DIA HOLES THRU BOTH WALLS ON ONE END IN; End Item Identification: 1660-00-573-6482;1660-00-757-2345;1660-00-796-1679; VALVE,PRESSURE. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1660-00-758-8709 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.